DNA Replication (Leaving Cert Biology): Flashcards
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Chromosomes after mitosis are
Chromosomes after mitosis are
Single-stranded
Process where DNA makes exact copy of itself
Process where DNA makes exact copy of itself
DNA replication
After DNA replication, chromosomes become
After DNA replication, chromosomes become
Double-stranded
Phase when DNA replication occurs
Phase when DNA replication occurs
Interphase
Location of DNA replication in cell
Location of DNA replication in cell
Nucleus
First step in DNA replication
First step in DNA replication
Double helix unwinds
Breaks hydrogen bonds in DNA replication
Breaks hydrogen bonds in DNA replication
Enzyme
Source of free DNA nucleotides
Source of free DNA nucleotides
Cytoplasm
Base that pairs with adenine (A)
Base that pairs with adenine (A)
Thymine (T)
Base that pairs with cytosine (C)
Base that pairs with cytosine (C)
Guanine (G)
Enzyme that assembles new DNA strands
Enzyme that assembles new DNA strands
DNA polymerase
Type of enzyme DNA polymerase is
Type of enzyme DNA polymerase is
Anabolic enzyme
Structure of new DNA strands after replication
Structure of new DNA strands after replication
Half old DNA and half new DNA
How DNA replication allows cell continuity
How DNA replication allows cell continuity
Ensures all cells contain same genetic information
Mistakes in DNA replication are called
Mistakes in DNA replication are called
Mutations